000
AGXX40 KNHC 121724
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 
130 PM TUE SEP 12 2006

MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND 
SOUTHWEST NORTH ATLC S OF 31N W OF 55W.

UPPER LEVELS...
TROUGH LEFT IN THE WAKE OF FLORENCE IS OVER THE EASTERN PART OF 
THE ATLANTIC AREA WILL BE THERE THROUGH WED NIGHT. THEN A RIDGE 
WILL BUILD FROM THE EAST ACROSS THE AREA AND BY FRIDAY BE ALONG 
20N TO 25N ACROSS THE ENTIRE AREA.  THE RIDGE WILL REMAIN IN 
THIS POSITION THROUGH SUNDAY.

A MIDDLE LATITUDE TROUGH WILL MOVE TOWARD THE NORTHWEST GULF OF 
MEXICO AND REACH THE NORTHWEST COAST WEDNESDAY.  THE TROUGH WILL 
MOVE EAST TO NORTH OF 27N OVER THE EAST GULF AND FLORIDA 
THURSDAY AND WEAKEN SOME N OF 27N OVER THE WESTERN PORTION OF 
THE ATLANTIC AREA AND FLORIDA FRIDAY THEN N OF 26N OVER THE 
ATLANTIC AREA SATURDAY AND SUNDAY.

SURFACE...
EASTERLY TRADES IN THE SOUTH PART OF THE CARIBBEAN THROUGHOUT 
THE PERIOD WILL BE 20 KT AND INCREASE TO 20 TO 25 KT SATURDAY 
AND SUNDAY.

THE ATLANTIC RIDGE WILL BUILD WESTWARD AHEAD OF THE TROPICAL 
CYCLONE TROPICAL DEPRESSION EIGHT AND INCREASE THE ATLANTIC 
TRADES THURSDAY AND BUILD NORTH OF THE CARIBBEAN WITH 
INCREASING  CARIBBEAN TRADES FRIDAY AND SATURDAY.  BY SUNDAY THE 
RIDGE WILL BEGIN TO WEAKEN IN THE ATLANTIC AREA AHEAD OF 
TROPICAL DEPRESSION EIGHT AND THE ATLANTIC TRADES WILL WEAKEN.  

WEAK COLD FRONT WILL MOVE OFF NORTHWEST TEXAS COAST EARLY 
WEDNESDAY WITH LIGHT NORTHERLY WINDS BEHIND THE FRONT.  
WEDNESDAY NIGHT AHEAD OF THE FRONT IN THE ATLANTIC AREA NORTH OF 
28N SOUTHERLY WINDS WILL APPROACH 20 KT AND SPREAD SLOWLY 
EASTWARD REACHING 65W LATE FRIDAY THEN FRONT WILL WEAKEN 
BECOMING DIFFUSE LATE SATURDAY.

OTHERWISE LIGHT WINDS WILL BE OVER THE AREA.

SWELLS UP TO 14 FEET ASSOCIATED WITH FLORENCE WILL AFFECT THE 
ATLANTIC AREA EAST OF THE BAHAMAS MAINLY NORTH OF 25N TONIGHT 
THEN SPREAD SOUTH AND WEAKEN SLIGHTLY AND WILL REACH EASTERN 
HISPANIOLA AND PUERTO RICO AND THE NORTHERN LEEWARD ISLANDS 
THURSDAY.  THE SWELL WILL GRADUALLY SUBSIDE FALLING TO LESS THAN 
6 FEET SATURDAY.    

GORDON SHOULD BE EAST OF THE AREA AND IT IS A RELATIVELY SMALL 
SYSTEM AND NOT LOOKING FOR MUCH SWELL GENERATION FROM GORDON.

WARNINGS...

ATLANTIC...
NONE.

CARIBBEAN...
NONE. 

GULF OF MEXICO...
NONE.

FORECASTER LL